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All results from a given calculation for BrCN (Cyanogen bromide)

using model chemistry: CCSD(T)=FULL/aug-cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 1Σ
Energy calculated at CCSD(T)=FULL/aug-cc-pVQZ
 hartrees
Energy at 0K-2665.617064
Energy at 298.15K 
HF Energy-2664.784560
Nuclear repulsion energy125.393784
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at CCSD(T)=FULL/aug-cc-pVQZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σ 2248 2153        
2 Σ 600 574        
3 Π 344 329        
3 Π 343 329        

Unscaled Zero Point Vibrational Energy (zpe) 1767.0 cm-1
Scaled (by 0.958) Zero Point Vibrational Energy (zpe) 1692.8 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at CCSD(T)=FULL/aug-cc-pVQZ
B
0.13778

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/aug-cc-pVQZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.133
N2 0.000 0.000 -2.293
Br3 0.000 0.000 0.653

Atom - Atom Distances (Å)
  C1 N2 Br3
C11.15961.7863
N21.15962.9458
Br31.78632.9458

picture of Cyanogen bromide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N2 C1 Br3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability